America is an increasingly crowded country, with 325 million people concentrating more and more into a handful of major cities. Despite that, or maybe because of that, America is becoming a lonelier country. Vivek Murthy, a former U.S. surgeon general, spoke to Tucker about loneliness's effect on the country. #Tucker

Edited selfies have become the new standard of beauty. A report published in JAMA finds patients are asking plastic surgeons to make them look more like the retouched photos they post on Snapchat or Instagram, a trend they're calling "Snapchat dysmorphia."